Which of the following is an example of curvilinear motion?

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An apple falling from a tree

A spinning wheel

The motion of a pendulum

Throwing of a javelin

answer is D.

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Detailed Solution

Concept- We'll start by talking about when a motion is called curvilinear. The motion corresponding to the activities mentioned in the selection will then be determined individually.
Curvilinear motion is defined as the movement of a particle along a curved route. The curving path might be in two or three dimensions (in a plane). This is a more sophisticated sort of motion than rectilinear (straight-line) motion.
Because of gravity's acceleration, an apple falling from a tree will fall in a straight path, resulting in rectilinear motion.
When a spinning wheel is in motion, it moves in a circular motion because the wheel spins around its centre.
A pendulum's motion is simple harmonic motion (SHM) since it oscillates around a mean position and has two extreme states. The velocity is highest and the acceleration is zero at the mean point of the SHM, whereas the velocity is zero and the acceleration is maximum at the extreme position of the SHM.
Throwing a javelin at an angle with the horizontal will result in the creation of an acceleration at an angle with the velocity, resulting in a curved path followed, and therefore we term this motion a curvilinear motion.
As a result, javelin throwing is an example of curvilinear motion.
As a result, option D is right.
Hence, the correct option is 4).

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